Home / 13,327-19,989.07-7,080.39

Finding the Fourth Proportional to 13,327, 19,989.07 and 7,080.39

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Solution

The fourth proportional to 13,327, 19,989.07 and 7,080.39 is: 10,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327 : 19,989.07 = 7,080.39 : x
  2. Step 2: Convert to fraction form
    13,327/19,989.07 = 7,080.39/x
  3. Step 3: Cross multiply
    13,327x = 19,989.07 × 7,080.39
  4. Step 4: Simplify right side
    13,327x = 141,530,411.34
  5. Step 5: Solve for x
    x = 141,530,411.34/13,327
  6. Step 6: Final answer
    x = 10,619.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.